[ Ear plugs not for medical purpose; Optical glasses; Electric arc welding machines; Ozonisers; Electrolysers; Egg-candlers; Cash registers; Coin counting or sorting machines; Electric sign boards for displaying target figures, current outputs or the like; Photo-copying machines; Time and date stamping machines; Time clocks; Punch clocks; Voting machines; Postage stamp meters; Vending machines; Metered gasoline pumps for service stations; Coin-operated gates for car parking facilities; Life j...